Cassandra Erkens is the author of seven books with 3 more in progress. Additionally, she is a facilitator, trainer of trainers, educator, and coach. Her work focuses on educational topics, including assessment, instruction, leadership, school improvement, and professional learning communities. As an educator and recognized leader, Cassandra has served as a senior high school English teacher, a director of staff development at the district level, a regional school improvement facilitator at the state level, a director of staff and organization development in the private sector, and an adjunct faculty member at Hamline University. Today she is a lead architect for the Solution Tree Assessment Center and an international consultant, working primarily in K – 12 school settings with teachers and leaders.